Butyl 4-methylbenzenesulfonate
对甲苯磺酸正丁酯
Also known as: Butyl p-toluenesulfonate, Butyl tosylate, N-Butyl p-toluenesulfonate, N-Butyltosylate, p-Toluenesulfonic acid n-butyl ester, 4-Methylbenzenesulfonic acid butyl ester, Benzenesulfonic acid, 4-methyl-, butyl ester, Butyl 4-methylbenzenesulfonate, MFCD00027203, EINECS 212-295-5
Butyl 4-methylbenzenesulfonate (CAS 778-28-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H16O3S and a molecular weight of 228.308 g/mol. It is also known as Butyl p-toluenesulfonate, Butyl tosylate and N-Butyl p-toluenesulfonate. Key properties include a boiling point of 335.4±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 156.6±19.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 778-28-9
- Jingsj CID
- J-1384287-3
- Molecular Formula
- C11H16O3S
- Chinese Name
- 对甲苯磺酸正丁酯
- Molecular Weight
- 228.308 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 335.4±11.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 156.6±19.3 °C |
Frequently Asked Questions
What is the CAS number of Butyl 4-methylbenzenesulfonate?
The CAS number of Butyl 4-methylbenzenesulfonate is 778-28-9.
What are the molecular formula and molecular weight of Butyl 4-methylbenzenesulfonate?
Butyl 4-methylbenzenesulfonate has molecular formula C11H16O3S and molecular weight 228.308 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Butyl 4-methylbenzenesulfonate (CAS 778-28-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1384287-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.